Quantum software company Q-CTRL has demonstrated a significant, 4x increase in the capacity to accurately solve optimization problems. This study suggests that IBM's utility-scale quantum computers can surpass other quantum technologies such as annealers and trapped ion machines.
The process Q-CTRL used involved addressing the error problem associated with gate-based quantum computers. It used a method of running problems on the hardware in combination with its software that manages performance on IBM's large-scale quantum computers. This approach has improved performance without any need for hardware modifications and is reportedly highly cost-effective, as fewer attempts are needed to find the correct solution.
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